Alternative reinsurance capital, so that deployed through insurance-linked securities and related collateralized structures, reached a new high of $124 billion as of September 30th 2025, according to Aon and the broker expects the growth trend to persist as third-party investors show “consistent” appetite for returns from the sector.
In a just released new report from Aon’s Reinsurance Solutions, the broker explains that global reinsurance capital reached new heights by the end of the third-quarter of 2025.
The core drivers were reinsurer’s own retained earnings, as they experienced another strong year of underwriting and investment returns, as well as the growth of third-party reinsurance capital deployed in insurance-linked securities (ILS) structures.
Traditional reinsurance capital grew 6% through the first nine months of 2025 to reach a new high of $636 billion.
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